JP3683527B2 - Folding storage vehicle seat - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a seat for a folding storage vehicle such as an automobile, and more specifically, a rear leg or a rear part of a cushion frame is hooked to a striker on the vehicle body side with a hook, and a front leg and a rotation-preventing rod arranged in parallel with the front leg. The present invention relates to an improvement in a vehicle seat in which both upper and lower ends are pivotally attached to a cushion frame and a vehicle body so as to be able to rotate in the front-rear direction to prevent the seat from jumping up when folded.
[0002]
[Prior art]
This type of automobile seat (for example, a third seat) can be used as a seat cushion (SC), as disclosed in Japanese Patent Application Laid-Open No. 2000-108746, from the state of use of the seat (FIG. 4 (a)). In this folded state, the seat cushion (SC) can be stored by folding the front leg on the floor (92) of the front vehicle body with the front leg (100) as the center of rotation as shown in FIG. 4 (b). It has become.
[0003]
Then, the anti-rotation rod (200) arranged in parallel with the front leg (100) can prevent the spring from being inadvertently stored, and also prevents the spring from jumping up when returning from the storage state to the use state. Since there is no lock, operations such as unlocking are unnecessary. In FIG. 4, (6) is a striker provided on the raised surface (90) of the vehicle body, and a hook (7) provided on the seat cushion (SC) side is engaged with the striker (6).
[0004]
[Problems to be solved by the invention]
However, in the conventional product, for example, when a variation occurs in the total length when the rod is attached with respect to the total length of the front leg, the inclination of the seat surface deviates from the set reference position when the seat is used.
[0005]
Also, when the seat is stored, if the rod is moved to the set position by force or due to the weight of the seat, the rod prevents the front leg from rotating smoothly and cannot be easily returned to the use state. is there.
[0006]
In particular, if the seat has a front leg bent in a substantially square shape depending on the installation location, it is difficult to accurately manufacture and accurately attach the entire length of the rod.
[0007]
SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to prevent the occurrence of the above-described problems even if an error in production or the like occurs in a rod for preventing rotation in a folding storage vehicle seat.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides the upper end portion of the rod provided on the cushion frame side as an upper locking portion having a long hole in the vertical direction, and the lower end portion of the rod on the vehicle body side. It is characterized in that it is respectively attached to a lower locking portion comprising a long hole that is long in the front-rear direction.
[0009]
With the above configuration, the error with respect to the front leg of the rod is absorbed by the upper locking portion and the lower locking portion made of long holes, and both the long holes of the upper locking portion and the lower locking portion are formed long in the orthogonal direction. Therefore, no play occurs in the usage state.
[0010]
Further, the rod and / or the front leg or both of them are formed in a substantially square shape in the length direction, so that it is possible to deal with the substantially leg-shaped front leg and rod that are difficult to manufacture accurately in the overall length. .
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a seat for a folding storage vehicle (third seat) according to the present invention. This seat is changed from a use state to a folding storage state, or from a folding storage state to a use state, similarly to the conventional product shown in FIG. It is formed to be able to return.
[0012]
In the folding storage vehicle seat according to the present invention shown in FIG. 1, a wall surface (91) between the raised surface (90) and the floor surface (92) of the vehicle body projects forward. Therefore, the front leg (1) and the anti-rotation rod (2) are each bent into a substantially square shape so as to follow the shape of the wall surface (91).
[0013]
As shown in FIG. 2, the front leg (1) and the rod (2) have their upper ends (1A) and (2A) on the cushion frame (3) side of the seat cushion (SC) as shown in FIG. As shown in FIG. 3, lower end portions (1B) and (2B) are pivotally attached to a base plate (4) fastened to the vehicle body so as to be rotatable in the front-rear direction.
[0014]
A rear leg (4) is foldably attached to the rear bottom surface of the cushion frame (3), and a hook (7) is provided at the lower end of the rear leg (4). The hook (7) is fixed to the vehicle body. The seat cushion (SC) is locked by engaging with the striker (6). In the drawing, (5) shows an interlocking rod for automatic folding of the rear leg for connecting the arm (50) integrated with the front leg (1) and the rear leg (4).
[0015]
The front leg (1) is a stopper (32A) provided on the front bracket (32) integral with the cushion frame (3), and the rear leg (4) is a rear bracket (not shown) provided on the cushion frame (3). The movements are regulated outward by the stoppers provided on the outer side.
[0016]
The front legs (1) are provided on the left and right sides of the front bracket (32) fixed to the front part of the cushion frame (3), and the left and right front legs (1) are integrally connected by a protective plate (13) at the bent part. doing. The left and right front legs (1) are reinforced by the protective plate (13) and at the same time protect the seated person's legs.
[0017]
Each front leg (1) is attached so that its upper end (1A) and lower end (1B) are pivotally movable (11) and (12) so that they cannot move vertically and horizontally. The fixed bracket (42) pivotally attaching the lower end (1B) in the front-rear direction is integrally fixed to a base plate (44) fastened to the wall surface (11) of the vehicle body.
[0018]
On the other hand, the upper end (2A) of the rod (2) is pivotally supported by a guide plate (20) integrated with a mounting bracket (31) fixed to the front side of the cushion frame (3) as shown in FIG. It is pivotally attached at (21). The guide plate (20) has an upper locking portion (20A) formed of a long hole extending vertically, and the pivot pin (21) is inserted into the upper locking portion (20A).
[0019]
The lower end (2B) of the rod (2) is attached as shown in FIG. That is, a locking plate (23A) with a lower locking portion (23A) having a long hole in the front-rear direction which is the horizontal direction is attached to the tip of the mounting piece (41) fixed to the base plate (4) so as to protrude forward. 23) is extended, and the lower end portion (2B) of the rod (2) is inserted into the lower locking portion (23A) so as to be pivotable in the front-rear direction by a pivot pin (22).
[0020]
As described above, the upper end portion (2A) and the lower end portion (2B) of the rod (2) are long holes, and are attached to the lower locking portions (20A) (23A). Since the long holes of the portions (20A) and (23A) are formed so as to be long in the direction perpendicular to each other, the backlash in the vertical direction is not generated on the sheet in the usage state of the sheet (FIG. 1).
[0021]
In addition, even if there are manufacturing errors and variations in the overall length of the rod (2), the lower locking portions (20A) and (23A) are formed in long holes, so that they can be attached to the cushion frame or the like without difficulty. .
[0022]
In addition, the rod (2) can move to the set reference in the use state and the storage state of the seat.
[0023]
Furthermore, even if the front leg (1) varies in its entire length, errors due to the front leg (1) can be absorbed on the rod (2) side.
[0024]
In the figure, the rod (2) and the front leg (1) are arranged so as to form a parallel link mechanism, but the rod (2) does not necessarily have to be parallel to the front leg (1). .
[0025]
【The invention's effect】
According to the first aspect of the present invention, even if the rod for preventing the sheet from jumping up when folded is stored, the upper locking portion and the lower locking portion are each formed with a long hole even if there is variation in the entire length. Therefore, the seat can be smoothly and smoothly rotated to the set reference position in the use state and the folded storage state of the seat.
[0026]
In addition, since the long holes forming the upper locking portion and the lower locking portion are orthogonal to each other, no backlash occurs in the seat in the seated state.
[0027]
According to the present invention of claim 2, it is effective for a folding storage vehicle seat using a rod front leg formed in a substantially square shape in the length direction in which variations are likely to occur in production.
[Brief description of the drawings]
FIG. 1 is a partially cutaway side view of a sheet according to the present invention.
FIG. 2 is an enlarged view of part A in FIG.
FIG. 3 is an enlarged view of a portion B in FIG.
FIG. 4 is an explanatory diagram for explaining the operation of the folding storage vehicle seat.
[Explanation of symbols]
1 Front leg 2 Rod 3 Cushion frame 20A Upper locking part 23A Lower locking part

Claims (2)

A vehicle that prevents the seat from being raised during folding storage by pivotally attaching the front and rear ends of the front leg and the rod for preventing rotation arranged in parallel to the front leg to the cushion frame and the vehicle body so as to be rotatable in the front-rear direction. Seat for
The upper end of the rod is provided on the cushion frame side with an upper locking portion made of a long hole in the vertical direction, and the lower end of the rod is made of a long hole with a long hole in the front-rear direction provided on the vehicle body side. A seat for a folding storage vehicle, wherein the seat is attached to each stop. The foldable storage vehicle seat according to claim 1, wherein the rod and / or the front leg or both are formed in a substantially square shape in the length direction.

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